Single-player games like Tentaphage
Below are 8 single-player Steam games similar to Tentaphage, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Tentaphage page.
Ranked picks
- 1

Rusty Flesh
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Indie and Adventure with Tentaphage.
Rusty Flesh is a sci-fi horror puzzle platformer for the Game Boy Color where you switch gravity instead of jumping. Explore the different areas of a derelict spaceship putting together all the pieces of its lovecraftian mistery, and enjoy its retro-futuristic aesthetics.
- 2

Asteroid Boom Cosmic Courier
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Indie and Adventure with Tentaphage.
Work off your corporate debt as a low-tier space courier. Deliver antimatter devices to E.L.E. asteroids, recover classified data, and tackle hazardous space operations in a chaotic 4-player physics platformer. Drop the payload, share the oxygen, and survive the shift.
- 3

Space Dragons
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Indie and Adventure with Tentaphage.
Choose your spaceship and defeat the alien threat that comes from the Moon. Blast your way crushing, ripping apart and exploding hostile aliens that are taking control of powerful weapons and military technology from Earth. Find the entity that controls the threat and make it explode into blood.
- 4

Daisy la Fleur
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Adventure with Tentaphage.
A PS1-esque art nouveau action-adventure game inspired by classic 90s games. Something strange has arrived in early 1900's France! It looks like Daisy is the one to stop it! Uncover the mystery behind these, tentacle monsters, jelly fish creatures, and even escaped brains! Welcome to Daisy la Fleur!
- 5

Late Stage Inferno
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Indie and Adventure with Tentaphage.
Hunt down those responsible for destroying your home. Sneak through ships and kill everyone on board. Climb the ranks until you find reach the top, then take it out. Play out the short story of this alien stuck in a capitalist hell as they take on 8 unique ships.
- 6

Butterflies
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Indie and Adventure with Tentaphage.
Butterflies is a video game about inline skating and graffiti. Apparently some people did that before, but they don't seem like they'll be doing it anymore.
- 7

Alien AI
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Indie and Adventure with Tentaphage.
An Alien AI came to Earth 20 years ago. We believed it was the greatest event in human history. The Alien AI offered us all the knowledge and technology it had. All we had to do was to help it recover and give it resources. We did.. It took over the world and enslaved us. Help us shut it down.
- 8

B-1LL1
Single-player alternative to Tentaphage — playable solo, no multiplayer required. Shares Indie and Adventure with Tentaphage.
B-1LL1 is a post-apocalyptic platformer for hardcore gamers. Play as B-1LL1 in the hunt for energy orbs scattered all around you and get through a world destroyed by a catastrophy that you will learn about.